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Brrunno [24]
3 years ago
15

When ripples pass though a gap in a barrier what is observed

Physics
1 answer:
katen-ka-za [31]3 years ago
8 0
Diffraction and the extent of the spreading (diffraction) depends to how the width of the gap is compared to the wavelength of the waves.
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Water and cooking oil have the same density because they're both liquids. <br> TRUE OR FALSE
ki77a [65]

Answer:

False

Explanation:

Not all liquids have the same density. We know for example that oil float on the water surface because it has less density than the water.

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Which is a common cause of incomplete combustion
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During complete combustion carbon and hydrogen combine with oxygen (O2) to produce carbon dioxide (CO2) and water (HO2) during that time it is not completely oxidized producing soot or carbon monoxide
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Einhorn and Finkle are in a convenience store together. For a while they talk about stealing hot dogs and deodorant, for they ar
dangina [55]

We can conclude that Einhorn decides  not to steal according to the pre-conventional level where as Finkle decides per the conventional level according to Kohlberg's theory.

Explanation:

Kohlberg's theory is explained in three stages:

  1. The pre-conventional stage where sense of moral is controlled externally by rules of authority figures such as parents and teachers.An action is viewed according to the results obtained after the act.
  2. Conventional stage is when a person's morals are controlled by authority figures and their positive relation to the society norms.
  3. Post-conventional level relies on a person's principles and values where some laws are seen as unjust.

In this case, Einhorn recognizes that if you steal, you might end up being caught and punished because it is not accepted by authority figures and could led to punishment.  This is stage one. Finkle recognizes that stealing is unaccepted by the law and people in a society should avoid it.This is stage two.

We can conclude that Einhorn's decision not to steal is influenced by the pre-conventional level where as Finkle's by the conventional level according to Kohlberg's theory of moral development.

Learn More

Kohlberg's theory of moral development : brainly.com/question/8885213

Keywords: store, stealing,afraid, caught, punished, wrong, act, comparing, moral development, motivation, Kohlberg's theory

#LearnwithBrainly

8 0
3 years ago
Is trail mix a solution?
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6 0
3 years ago
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Find the resultant of the following forces: 3.0N east, 4.0N west, and 5.0N in a direction north 60° west.
zzz [600]

Answer:

5.5 N at 50.8° north of west.

Explanation:

To find the resultant of these forces, we have to resolve each force along the x- and y-direction, then find the components of the resultant force, and then calculate the resultant force.

The three forces are:

F_1=3.0 N (east)

F_2=4.0 N (west)

F_3=5.0 N (at 60° north of west)

Taking east as positive x-direction and north as positive y-direction, the components of the forces along the 2 directions are:

F_{1x}=3.0 N\\F_{1y}=0

F_{2x}=-4.0 N\\F_{2y}=0

F_{3x}=-(5.0)(cos 60^{\circ})=-2.5 N\\F_{3y}=(5.0)(sin 60^{\circ})=4.3 N

Threfore, the components of the resultant force are:

F_x=F_{1x}+F_{2x}+F_{3x}=3.0+(-4.0)+(-2.5)=-3.5 N\\F_y=F_{1y}+F_{2y}+F_{3y}=0+0+4.3=4.3 N

Therefore, the magnitude of the resultant force is

F=\sqrt{F_x^2+F_y^2}=\sqrt{(-3.5)^2+(4.3)^2}=5.5 N

And the direction is:

\theta=tan^{-1}(\frac{F_y}{|F_x|})=tan^{-1}(\frac{4.3}{3.5})=50.8^{\circ}

And since the x-component is negative, it means that this angle is measured as north of west.

7 0
3 years ago
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